IBM Thinkpad T20 T21 T22 T23 Manual

For T23 series
Note:Loosen the screw
2, but do not remove it.
3
21
Step Screw (quantity) Torque

1M2.5×14 mm, nylon-coated (2) 0.392 Nm
(4 kgfcm)
4
Step Screw (quantity) Torque

4M2.5×11.5 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series75 

Note:Step
5to
10are common for all models.
5
5
6
(continued)
Removing and replacing a FRU
76ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

9
8
7
7
8
9
10
9
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series77 

Note:Before installing a new keyboard, attach the
easy-button cover as follows:
1
12 3 4
(continued)
Removing and replacing a FRU
78ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

When installing the keyboard, do as follows:
1. Install the new keyboard, following the directions in the
figure. Make sure that the keyboard edges, shown in
the figure as(A),(B), and(C), are under the frame.
(A)
(B )
(C)
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series79 

2. Insert your fingers into the PC Card slot on the left of
the computer and the Ultrabay 2000 slot on the right of
the computer as shown in
1. Then, with your fingers
in those slots as in
2, latch the keyboard in place by
using your thumbs to press firmly on the shift keys.
Press the Y key to connect the keyboard to the
connector on the underside of the key
3.
1
2
1
3
(continued)
Removing and replacing a FRU
80ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

3. To make sure that the front side of the keyboard is
housed firmly, gently press the shift keys with your
thumbs and try to slide the keyboard towards you. Do
not push parts(A)and(B)on the keyboard strongly; to
do so might cause distortion of the Ultrabay 2000 slot
and the PC Card slot.
(A)
(B)
4. Replace the screws, using the new screws provided
with the keyboard.Then press the Y key again, hard,
to make sure that the keyboard is firmly connected.
Removing and replacing a FRU
ThinkPad T20, T21, T22...

1090 Keyboard CRU insulator
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
Note:The shape of the keyboard CRU insulator varies
from model to model. In some models, the shape
might be slightly different from the insulator in this
figure.
1
Removing and replacing a FRU
82ThinkPad T20, T21, T22, T23 (MT 2647/2648) 

1100 Hinge cover
For access, remove these FRUs, in order:
v“1010 Battery pack”on page 60
v“1020 Backup battery”on page 61
v“1030 Hard-disk drive”on page 63
v“1070 Ultrabay 2000 device”on page 73
v“1080 Keyboard”on page 74
v“1090 Keyboard CRU insulator”on page 82
Note:Step
1is common for all models.
1
Step Screw (quantity) Torque

1M2.5×14 mm, nylon-coated (3) 0.392 Nm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series83 

For T20 and T21 series
aa
3
42
Step Screw (quantity) Torque

2M2.5×4.8 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)
When installing:
1. Install the hinge cover according to the step
3,
4
and then tighten the screw
2. In step
3, take care
not to damage the lens.
2. Make sure that both latches
aare firmly attached
and snap into place.
Removing and replacing a FRU
84ThinkPad T20, T21, T22, T23 (MT 2647/2648)